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What Is Lean to Roof? | Composition of Lean to Roof | Important Notes for Construction of Lean to Roof | Advantage & Disadvantage of Lean to Roof | Roofing Materials Suitable for Lean to Roof

Lean to Roof

Introduction of Lean to Roof

The function of the roof serves the most important practical purpose for each building. It protects the parts of the building against various external factors. These factors include wind, rain, and direct contact with the sun. The role of the roof has a special place for any building.

The roof shape is chosen for any roof keeping in mind the different conditions. Primarily the shape of the roof plays an important role in enhancing the look and style of the house. In some cases, the role of the roof provides additional living space. It also makes the building energy-efficient, resilient, and weather-proof by providing a roof.

Therefore the shape of the roof is an important factor for the building as per the requirement. Lean to roof is a simple and economically useful roof in many types of roofs if you are considering space for an extension in an older building.

Lean-to roof is the most commonly used type of pitched roof. Lean-to roof is considered to be the cheapest option for covering structure than other types of roof.

What Is Lean to Roof?

A Lean to roof is a type of pitched roof with a single slope. The design of lean to roof is simple and straightforward. Lean to roof is mainly added to the front of the building as an extension. The use of lean to roof is most commonly used in ordinary homes.

The lean to the roof can be constructed free-standing separately from the building. Lean to roof is more commonly used in industrial sheds. Lean to roof is usually built by the slope on the walls or support of the wall of buildings.

Lean to roof is also commonly known as the sloping roof. And it is the most used roof for the extension of houses. Lean to roof is a common type of pitched roof.

The lean to roof is known in some areas as the pent roof or aisle roof.

Some people refer to the lean to roof as the skillion roof. This type of roof can be considered as a shed roof because this type of roof has a flat roof with sloping. There may be more slopes in the shed roof.

Previously, this lean to roof was used mainly for making shades. But today this type of roof is being used as a popular option for residential homes. Lean to roof is a simple roof design that connects to an existing building. In addition, lean to roof is chosen to add shade and screening to the porch.

Lean to roof is commonly used for the construction of carports, sheds, verandas, simple extensions, etc. Its simple design makes it easy to build.

Due to the slope of the roof in lean to roof, external factors like snow and water can flow easily. This reduces the cost of waterproofing the roof. lean to roof is the best option for areas with high rainfall and snowfall.

Also Read : What Is Pitched Roof? | Types of Pitched Roof | Advantage & Disadvantage of Pitched Roof

Important Notes for Construction of Lean to Roof

A lean roof is a kind of free-standing structure. The height of one sidewall is built higher than the other sidewall.

For this lean to roof, the upper part of the common rafters is fixed to the wall with a wall plate. The upper end of the rafter is fixed to the wall with a corbel. These corbels are made of various materials such as stone, brick, or iron. In this type, the lower end of the rafter is attached to the wall with a wooden post-plate. And the rafter is attached to the verandah wall.

Iron knee straps and bolts are used to connect the rafters to the post plate.

Normal rafters are fixed by giving a slope so that it stays at 30 degrees along the wall. The maximum length of lean to roof is suitable for a span of 2.5 m.

Also Read : What Is Oblique Drawing? | Oblique Projection | Procedure for Oblique Drawing – Example | Types of Oblique Drawing

Advantage of Lean to Roof

Advantage of Lean to Roof

1. Affordable

Lean to roof is cost-effective as it is easy to construct. It basically has a single slope type design. Which takes less time in its construction for contractors. As a result, the whole construction results in lower costs.

2. Prevents Water/Snow Pooling

The construction of lean to roof can give maximum slope to water and ice drainage. Which slips due to the slope of the lean to the roof. Which is a suitable option for the resulting roof style.

3. Suitable for Shed Roof

lean to roof is suitable for a home extension. lean to roof is suitable for a shade design scheme. Because its design gives a very clean, fast, normal look.

4. Installation for Skylights / Solar Panels

Since lean to roof is kind of sloping it can be used for solar panels or skylight installation.

Also Read : What Is Concept Drawings? | Architecture Concept Drawing | Types of Drawings for Building Design

Disadvantage of Lean to Roof

Disadvantage of Lean to Roof (1)

 

1. Not Suitable for Long Span

It would not be ideal to use lean to roof for a long span. The lean to the roof can be used for a span of 2 to 2.5 meters.

2. Less Versatile

The use of lean to roof is generally known to provide a contemporary style in houses, so it cannot be used for every home. For example, if you are going to use a lean to roof for a traditional house, the shed roof will appear as a projection outside the house.

3. Drainage Problems

Since the lean to the roof has a single slope, the pressure on the gutter increases when it rains. Basically, it handles large amounts of water efficiently.

4. Little / No Attic Space

Most homes with a roof slope do not have attic space.

5. Susceptibility to High Winds

This type of roof is not done in areas with high winds or hurricanes. This type of roof cannot withstand high winds.

Also Read : What Is Superelevation? | Purpose of Superelevation | Maximum & Minimum Superelevation | Design of Superelevation | Method of Providing Superelevation to the Roads

Roofing Materials Suitable for Lean to Roof

Any material can be installed for lean to roof when it comes to choosing from different materials. The material is chosen to make the lean to the roof “pinch” or “stepper”. The flexibility of the slope allows you to take advantage of different roofing materials for the roof.

  1. Metal roofing
  2. Clay roof tiles
  3. Asphalt shingle roofing
  4. Cedar shakes or shingle roofing
  5. Roll roofing

Two types of materials are used for roofs: polycarbonate and glass. The other stuff in this stuff is more expensive. And Polycarbonate has more than one advantage.

Doing this type of plastic material as roofing material provides proper insulation. It is also very light in weight and cost-effective. There are also some disadvantages to using this type of roofing material. Which has less strength than glass. In addition, the soundproofing capability is also limited.

Also Read : What Is a Dead Load? | What Is Live Load? | Environmental Load | Difference Between Dead Load Vs Live Load

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Hey, I am Bhadresh Khatri. The Man Behind 9to5Civil.com. I started this site to spread knowledge about Civil Engineering. I am a Degree Holder in Civil Engineering.

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